Abstract
The availability of a water supply adequate in terms of both quantity and quality is essential to human existence. Water pollution may be defined as the presence of impurities in such quantity and of such nature as to impair the use of water for a stated purpose. In this paper we follow the main parameters which are important in water quality and influence in time that.
Cuvinte cheie
surface water
BOD5
detergents
settleable solids
dissolved inorganic solids
nitrogen